678 REPORT 1863. 



281. UnioOregonensis, Lea [Comp. 534.] | 499. Anodonta Calif orniensis, Lea. 

 484. Margaritana margaritifera, Lea. i 531. Anodonta Nuttalliana, Lea. 

 [Lmn.] I 534. Anodonta Oregoncnsis, Lea. 



494. Anodonta angulata, Lea. I 551. Anodonta Wahlamatensis, Lea. 



Besides these, 36 species of Unio and Anodonta are assigned to Mexico 

 and Central America in a separate list ; but no distinction is indicated be- 

 tween the Pacific and the Atlantic slope of the mountain-range. 



119. At the request of the Smithsonian Institution, Mr. Temple Prime, ol 

 New York, well known for his special devotion to this department, has con- 

 sented to prepare a Manual of the Cyrenidse inhabiting American waters. 

 All the accessible materials from the "West Coast are in his hands for exami- 

 nation. The first part of his " Monograph of the Species of Sphcerium of 

 North and South America" is printed in the Proc. Ac. N. Sc. Phil.' 1861, 

 pp. 402 et seq., and contains quotations of five species, nos. 4, 7, 9, 10, 11, 

 with synonymy, from "Washington Ter., Oregon, and California. He has 

 kindly (in advance of his intended publications) furnished to Mr. W. G. Bin- 

 iiey the following MS. " Synopsis of the Corbiculidas of the West Coast of 

 North America," with liberty to publish in this Eeport. It is here condensed, 

 with synonyms and references, in the nomenclature of the writer. 



Mr. Prime's List of West North- American Corbiculidae* [Cyrenidae]. 

 1. Corbicula convexa, Desh., P. Z. S. 1854, p. 342, = C. ventricosa, Pr. MS. Mazatlan. 



15. f. 9. Nicaragua ; Belize. 



2. Cyrena radiata, Hani., P. Z. S. 1844, p. 159. Eealejo. 



3. Cyrena solida, Phil., Abbild. 1846, p. 78, pi. 15. f. 9. 



4. Cyrena triangula, V. de Busch, P. Z. S. 1849, p. 78, pi. 2. f. 3~ = C. altilis, Old., 



Bost. Pr. 1852, p. 400, pi. 16. f. 5 bis,= C. Mexicana, pars, Maz. Cat., no. 165 

 (= C. varians, cat. prov.). Mazatlan. 



5. Cyrena insignis, Desh., P. Z. S. 1854, p. 20; II. Conch. 1861, p. 39, pi. 2. f. 2. 



California. 



6. Cyrena olivacea, Cpr., Maz. Cat., no. 164,= C. Fontainei, Desh., MS. (non D'Orb., 



B. M. Cat. no. 253). Mazatlan. 



7. Cyrena acuta, Pr., 111. Conch. 1862, p. 387, pi. 14. f. 1. Centr. America. 



8. Cyrena Mexicana, Sby., Zool. II. 1829, p. 364 [Maz. Cat, no. 165= ]C. varians, 



' cat. prov. pars, + C. fragilis, Desh. MS. -j- C. aquilateralis, Desh., P. Z. S. 

 1854, p. 20. Mazatlan. 



9. Cyrena Calif arnica, Pr., Proc. A. N. S. Phil. 1860, p. 276,= C. subquadrata, 



Desh., P.'Z. S. 1854, p. 21 (nom. preoc.). California. 



10. Cyrena Panamensis, Pr., Proc. A. N. S. Phil. 1860, p. 283, = C. inflata, Desh., 



P. Z. S. 1854, p. 23 (nom. preoc.). Panama. 



11. Cyrena Eecluzii, Pr.,= C. cordifonnis, Reel., II. Conch. 1853, p. 251, pi. 7. f. 9 



(nom. preoc.). Centr. America. 



12. Cyrena Cumingu, Desh., P. Z. S. 1854, p. 22. Centr. America. 



13. Cyrena tumida, Pr.,= C. angulata, Desh., P. Z. S. 1854, p. 22 (nom. preoc.). 



Centr. America. 



14. Cyrena pullastr a, Morch, Mai. Bl. 1860, p. 194. Realejo. 



15. Cyrena maritima, C. B. Ad., Pan. Sh., no. 451. Panama. 



16. Cyrena sordida, Hani., P. Z. S. 1844, p. 159. Central America. 



17. Sphcerium triangtdarc,Ssiy(Cydas t.), New Harm. Dissem. 1829, p. 356. Mexico. 



18. Sphceritimstriatin'um, Lam. (Cyclass.), An, s.Vert. vol.v. p. 560, 1818,= C.eden- 



tula, Say, loc. cit. p. 2, = C. cornea (Lam.). C. B. Ad., Cat., 1847,= C. albula, 

 Pr., Bost. Proc. 1851, p. 155, + C. tenuitiriata, Pr., p. 156, + C. acuminata, 

 Pr., p. 158,+ C. inornata, Pr.,-f C. simplex, Pr.,+ C. modesta,Pr., p. 159. Hob. 

 N. York to Alabama, Connecticut to Illinois ; Hell-gate River, W. T. 



19. Sphcerium dentatum,K*\&.(Cyclasd.), Proc. A. N.S.Phil. 1841, p. 100. Oregon. 



* The name Corbicula, having been first given to a species, and being itself a diminu- 

 tive is scarcely fitted to displace long-used generic appellations in marking the family- 

 fc ,oup. 



